小麦抗白粉病离体鉴定与药剂的选择  

On Resisted Wheat Powdery Mildew In detached Leaf Sequentand Medicament Selected

作　　者：石明旺 任敏[2] 王运兵 王吉田 朱道元 

机构地区：[1]河南职技师院,河南新乡453003 [2]平原大学,河南新乡453003 [3]鄢陵县第三职业高中,河南鄢陵461200

出　　处：《河南职业技术师范学院学报》2000年第4期1-3,共3页Journal of Henan Vocation-Technical Teachers College

基　　金：河南省教委资助项目(98210025)。

摘　　要：采用离体鉴定方法对小麦抗白粉病特性进行初步研究 ,结果表明 :最适鉴定方法和培养条件是在小麦叶片展开后 ,将其剪成 3～ 5cm长叶段 ,叶面朝上摆放在加有保绿剂的试管中 ,接种白粉菌后置室内 (光强2 0 0 0 LX,温度 1 8～ 2 2℃ )。光照 6HR/ d,待潜育期结束开始观察记录。苗期离体鉴定结果与田间成株期常规鉴定结果基本一致 :周麦 9号的抗病性最强 ,其次是周麦 1 3、豫麦 54、内乡 1 88、赵 92It studied wheat varieties to resisted character of wheat powdery mildew in detached leaf sequent method.The research results showed that the most suitable appraisal method and leaf were cut into the long section of 3～5cm and was placed indoor (the strong 2000LX of light , the temperature 18～22℃), leaf was inoculated the powdery mildew. 6 BA was the best of all the medications.

关 键 词：小麦白粉病菌 离体鉴定 

分 类 号：S435.121.4[农业科学—农业昆虫与害虫防治]